Home / 2,970.11-4,462.09-1,738.39

Finding the Fourth Proportional to 2,970.11, 4,462.09 and 1,738.39

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Solution

The fourth proportional to 2,970.11, 4,462.09 and 1,738.39 is: 2,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.11 : 4,462.09 = 1,738.39 : x
  2. Step 2: Convert to fraction form
    2,970.11/4,462.09 = 1,738.39/x
  3. Step 3: Cross multiply
    2,970.11x = 4,462.09 × 1,738.39
  4. Step 4: Simplify right side
    2,970.11x = 7,756,837.13
  5. Step 5: Solve for x
    x = 7,756,837.13/2,970.11
  6. Step 6: Final answer
    x = 2,611.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.